The US tower operators are riding high on the boost to their business from 5G expansion and telcos’ rising interest in an edge cloud to support their disaggregated networks and their 5G services. Crown Castle’s CEO Jay Brown said, on his firm’s Q1 earnings call, that “following a period of building excitement and anticipation, we have seen a significant increase in activity as our customers have started to upgrade their networks to 5G at scale”. The towerco raised its 2021 forecast for site rental revenues and for EBITDA as a result, emerging triumphant a year after activist investor Elliot Management sought to force Crown to reverse its strategy to grow a fiber, small cell and edge infrastructure business to complement…